Part A
5 persons are sharing 1/4 piece of gums
1/4 ÷ 5 = 1/4 x 1/5 = 1/20
Each person will get 1/20 piece of that 1/4 foot gum
Part B
if the 5 person are sharing the 4 1/4 pieces of gum.
4 1/4 ÷ 5 = 5/4 ÷ 5 = 5/4 x 1/5 = 1/4
Everyone will get 1/4 piece of the gum